Search results for: Helgesen, John O.

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  1. 1

    Description of data files compiled for the Central Midwest Regional Aquifer-System Analysis

    Authors: Helgesen, John O.
    Published: Department of the Interior, U.S. Geological Survey : Books and Open-File Reports [distributor], 1989
    Physical Description: 1 microfiche : negative, illustrations, maps.
    Government Document Microfilm Book
  2. 2

    Assessment of nonpoint-source contamination of the High Plains aquifer in south-central Kansas, 1987

    Authors: Helgesen, John O.
    Published: U.S. Department of the Interior, U.S. Geological Survey ; Books and Open-File Reports [distributor], 1992
    Physical Description: vi, 61 pages : illustrations, maps ; 28 cm.
    Government Document Conference Proceeding Microfilm Book
  3. 3

    Hydrogeology and ground-water-quality conditions at the Harvey County Landfill, south-central Kansas, 1990

    Authors: Helgesen, John O.
    Published: U.S. Department of the Interior, U.S. Geological Survey ; Books and Open-File Reports [distributor], 1993
    Physical Description: viii, 44 pages : illustrations, maps ; 28 cm.
    Government Document Book
  4. 4

    Hydrology of the Great Plains Aquifer system in Nebraska, Colorado, Kansas, and adjacent areas

    Authors: Helgesen, John O.
    Published: U.S. G.P.O. ; For sale by Book and Open-File Report Sales, 1993
    Physical Description: viii, 80 pages : illustrations (some color), maps (some color) ; 29 cm + 1 portfolio (10 folded color maps).
    Government Document Book
  5. 5

    Assessment of nonpoint-source contamination of the high plains aquifer in south-central Kansas, 1987

    Authors: Helgesen, John O.
    Published: U.S. G.P.O. ; For sale by U.S. Geological Survey, Map Distribution, 1994
    Physical Description: v, 51 pages : illustrations, maps ; 28 cm.
    Government Document Book
  6. 6

    Appraisal of ground water for irrigation in the Little Falls area, Morrison County, Minnesota.

    Unknown
  7. 7

    Ground-water appraisal of the Pineland Sands area, central Minnesota

    Authors: Helgesen, John O.
    Published: U.S. Geological Survey, 1977
    Physical Description: 1 online resource (viii, 49 pages) : illustrations, maps + 3 plates.
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  8. 8

    Characterization of ground-water flow and chemical transport beneath two irrigated fields in south-central Kansas, 1988

    Authors: Rutledge, A. T., Helgesen, John O.
    Published: U.S. Geological Survey, 1990
    Physical Description: 1 online resource (vi, 37 pages) : illustrations, map.
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  9. 9

    A steady-state unsaturated-zone model to simulate pesticide transport

    Authors: Rutledge, A. T., Helgesen, John O.
    Published: U.S. Geological Survey, 1991
    Physical Description: 1 online resource (iv, 13 pages) : illustrations.
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  10. 10

    Regional aquifers in Kansas, Nebraska, and parts of Arkansas, Colorado, Missouri, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming--geohydrologic framework

    Authors: Jorgensen, Donald G., Helgesen, John O., Imes, Jeffrey L.
    Published: U.S. Department of the Interior, U.S. Geological Survey, 1993
    Physical Description: 1 online resource (vii, B72 pages) : illustrations, maps (some color) + 25 plates.
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  11. 11

    Hydrogeology and ground-water-quality conditions at the Harvey County Landfill, south-central Kansas, 1990

    Authors: Helgesen, John O., Heck, Brian A., Hargadine, Dirk A.
    Published: U.S. Geological Survey, 1993
    Physical Description: 1 online resource (viii, 44 pages) : illustrations, maps.
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  12. 12

    Hydrology of the Great Plains aquifer system in Nebraska, Colorado, Kansas, and adjacent areas

    Authors: Helgesen, John O., Leonard, Robert B., 1926-2015, Wolf, R. J.
    Published: U.S. Department of the Interior, U.S. Geological Survey, 1993
    Physical Description: 1 online resource (viii, E80 pages) : illustrations + 10 plates.
    Connect to online resource - All users (Federal Depository Library Program Persistant URL)
    Government Document Electronic eBook
  13. 13

    Characterization of ground-water flow and chemical transport beneath two irrigated fields in south-central Kansas, 1988

    Authors: Rutledge, A. T.
    Published: U.S. Department of the Interior, U.S. Geological Survey ; Books and Open-File Reports Section [distributor], 1990
    Other Authors: “…Helgesen, John O.…”
    Physical Description: vi, 37 pages : illustrations, map ; 28 cm.
    Government Document Book
  14. 14

    A steady-state unsaturated-zone model to simulate pesticide transport

    Authors: Rutledge, A. T.
    Published: U.S. Department of the Interior, U.S. Geological Survey ; Books and Open-File Reports [distributor], 1991
    Other Authors: “…Helgesen, John O.…”
    Physical Description: iv, 13 pages : illustrations ; 28 cm.
    Government Document Book
  15. 15

    Ground- and surface-water interaction between the Kansas River and associated alluvial aquifer, northeastern Kansas

    Authors: Wolf, R. J.
    Published: U.S. Department of the Interior, U.S. Geological Survey ; Books and Open-File Reports, Denver Federal Center [distributor], 1993
    Other Authors: “…Helgesen, John O.…”
    Physical Description: viii, 49 pages : illustrations, maps ; 28 cm.
    Government Document Book
  16. 16

    Surface-water-quality assessment of the lower Kansas River basin, Kansas and Nebraska : results of investigations, 1987-90

    Published: U.S. G.P.O. ; For sale by the U.S. Geological Survey Information Services, 1996
    Other Authors: “…Helgesen, John O.…”
    Physical Description: vii, 129 pages : illustrations, maps ; 28 cm.
    Government Document Book
  17. 17

    Surface-water-quality assessment of the lower Kansas River Basin, Kansas and Nebraska : results of investigations, 1987-90

    Published: U.S. Geological Survey ; USGS Earth Science Information Center, Open-File Reports Section [distributor], 1995
    Other Authors: “…Helgesen, John O.…”
    Physical Description: viii, 129 pages : illustrations, maps ; 28 cm.
    Government Document Book
  18. 18

    Regional aquifers in Kansas, Nebraska, and parts of Arkansas, Colorado, Missouri, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming--geohydrologic framework

    Authors: Jorgensen, Donald G.
    Published: U.S. G.P.O. ; For sale by Book and Open-File Report Sales, U.S. Geological Survey, 1993
    Other Authors: “…Helgesen, John O.…”
    Physical Description: 1 portfolio (1 volume, 1 graph, 1 sheet color cross sections, 23 color, folded maps) : illustrations, maps (some color) ; 29 cm.
    Government Document Book